From b508b8e62c6c2ef6dc33b51306f966cdeb4d0634 Mon Sep 17 00:00:00 2001
From: Christopher Schmidt <mr.chr.schmidt@online.de>
Date: Wed, 10 Nov 2010 07:59:18 +0000
Subject: [PATCH] Fusion: fixed missing is_native_fusion_sequence for MSVC 7.1
 and MSVC 8.0

[SVN r66477]
---
 .../sequence/comparison/detail/enable_comparison.hpp       | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/boost/fusion/sequence/comparison/detail/enable_comparison.hpp b/include/boost/fusion/sequence/comparison/detail/enable_comparison.hpp
index 93d01506..c1925e87 100644
--- a/include/boost/fusion/sequence/comparison/detail/enable_comparison.hpp
+++ b/include/boost/fusion/sequence/comparison/detail/enable_comparison.hpp
@@ -11,11 +11,18 @@
 #include <boost/mpl/and.hpp>
 #include <boost/mpl/not.hpp>
 #include <boost/mpl/equal_to.hpp>
+#include <boost/fusion/support/sequence_base.hpp>
 #include <boost/fusion/support/is_sequence.hpp>
 #include <boost/fusion/sequence/intrinsic/size.hpp>
+#include <boost/type_traits/is_convertible.hpp>
 
 namespace boost { namespace fusion { namespace detail
 {
+    template <typename Sequence>
+    struct is_native_fusion_sequence
+      : is_convertible<Sequence, detail::from_sequence_convertible_type>
+    {};
+
     template <typename Seq1, typename Seq2>
     struct enable_equality
         : mpl::or_<traits::is_sequence<Seq1>, traits::is_sequence<Seq2> >